Wemo WiFi Smart Dimmer gives you total control over your lights with no subscription or hub required. Easily set the ambiance of any room and control lights from the Dimmer, the app or with your voice. From bedroom lights and dining room chandeliers to recessed lighting, Wemo Dimmer can control nearly anythingjust like a traditional dimmer switch, but better. Whether you're relaxing on the couch, working from the home office, or traveling, it's a breeze to control and dim your home lighting. Wi-Fi Technology: 801.11n @ 2.4 GHz; Operating System Compatibility: Android 6.0 and Later; iOS 11.0 and Later; Compatible Devices: Amazon Alexa; Android Phone; Android Tablet; Apple Watch; Google Assistant; iMac; iPad; iPhone;; Power Requirements: 120 V/15 A/60 Hz/400 W (Incandescent), 150 W (CFL or LED).